package com.itheima.controller;

import com.alibaba.dubbo.config.annotation.Reference;
import com.itheima.constant.MessageConstant;
import com.itheima.entity.Result;
import com.itheima.pojo.User;
import com.itheima.service.MemberService;
import com.itheima.service.ReportService;
import com.itheima.service.SetmealService;
import net.sf.jasperreports.engine.JasperCompileManager;
import net.sf.jasperreports.engine.JasperExportManager;
import net.sf.jasperreports.engine.JasperFillManager;
import net.sf.jasperreports.engine.JasperPrint;
import net.sf.jasperreports.engine.data.JRBeanCollectionDataSource;
import org.apache.poi.xssf.usermodel.XSSFRow;
import org.apache.poi.xssf.usermodel.XSSFSheet;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.ServletException;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.math.BigDecimal;
import java.text.SimpleDateFormat;
import java.util.*;

/**
 * @author qzh
 * @create 2020-02-02 2020/2/2
 */
@RestController
@RequestMapping("/report")
public class ReportController {
    @Reference
    private MemberService memberService;

    @Reference
    private SetmealService setmealService;

    @Reference
    private ReportService reportService;

    //会员数量折线图
    @RequestMapping("/getMemberReport")
    public Result getMemberReport(){

        List<String> months = new ArrayList<>();

        Calendar instance = Calendar.getInstance();
        for (int i = 0;i<12;i++){
            instance.add(Calendar.MONTH,-1);
            Date date = instance.getTime();
            months.add(new SimpleDateFormat("yyyy.MM").format(date));
        }
        List<Integer> memberCounts = memberService.findMemberCountByMonths(months);
        Map map = new HashMap<String,Object>();
        map.put("months",months);
        map.put("memberCounts",memberCounts);
        return new Result(true, MessageConstant.GET_MEMBER_NUMBER_REPORT_SUCCESS,map);
    }

    //套餐预约占比饼形图
   @RequestMapping("/getSetmealReport")
    public Result getSetmealReport(){

        /*
        * {
        * "data":
        *       {"setmealNames":["体检套餐","孕前体检套餐"],
        *       "setmealCount":[{"name":"体检套餐","value":200},
        *                       {"name":"孕前体检套餐","value":300}
        *                       ]
        *        },
        * "flag":true,
        * "message":"套餐占比数据查询成功"
        * }
        * */
       try {
           List<String> setmealNames = new ArrayList<>();
           List<Map<String,Object>> setmealCount = setmealService.findSetmealCount();
           //setmealNames.add("体检套餐");
           //setmealNames.add("孕前体检套餐");
           //String[] setmealNames = {"体检套餐","孕前体检套餐"};
           for (Map<String, Object> map : setmealCount) {
               String name = (String) map.get("name");
               setmealNames.add(name);
           }
           Map<String,Object> data = new HashMap<>();

           data.put("setmealNames",setmealNames);
           data.put("setmealCount",setmealCount);

           return new Result(true,MessageConstant.GET_SETMEAL_COUNT_REPORT_SUCCESS,data);
       } catch (Exception e) {
           e.printStackTrace();
           return new Result(false,MessageConstant.GET_SETMEAL_COUNT_REPORT_FAIL);

       }
   }

   @RequestMapping("/getBusinessReportData")
   public Result getBusinessReportData(){
        //模拟数据

/*
//       reportDate:null,
       map.put("reportDate",new Date());
//         todayNewMember :0,
       map.put("todayNewMember",100);
//         totalMember :0,
       map.put("totalMember",600);

//         thisWeekNewMember :0,
       map.put("thisWeekNewMember",700);
//         thisMonthNewMember :0,
       map.put("thisMonthNewMember",1500);
//         todayOrderNumber :0,
       map.put("thisMonthNewMember",80);
//         todayVisitsNumber :0,
       map.put("todayVisitsNumber",189);
//         thisWeekOrderNumber :0,
       map.put("thisWeekOrderNumber",500);
//         thisWeekVisitsNumber :0,
       map.put("thisWeekVisitsNumber",500);
//         thisMonthOrderNumber :0,
       map.put("thisMonthOrderNumber",500);
//         thisMonthVisitsNumber :0,
       map.put("thisMonthVisitsNumber",5000);
      */
/* hotSetmeal :[
       {name:'阳光爸妈升级肿瘤12项筛查（男女单人）体检套餐',setmeal_count:200,proportion:0.222},
       {name:'阳光爸妈升级肿瘤12项筛查体检套餐',setmeal_count:200,proportion:0.222}]*//*



      List<Map<String,Object>> list = new ArrayList<>();
      Map<String,Object> map1 = new HashMap<>();
      Map<String,Object> map2 = new HashMap<>();
      map1.put("name","阳光爸妈升级肿瘤12项筛查（男女单人）体检套餐");
      map1.put("setmeal_count",900);
      map1.put("proportion",0.5);
       map2.put("name","阳光爸妈升级肿瘤12项筛查体检套餐");
       map2.put("setmeal_count",300);
       map2.put("proportion",0.25);
       list.add(map1);
       list.add(map2);
       map.put("hotSetmeal",list);

*/
       try {
           Map<String,Object> map = reportService.getBusinessReportData();
           return new Result(true,MessageConstant.GET_BUSINESS_REPORT_SUCCESS,map);
       } catch (Exception e) {
           e.printStackTrace();
           return new Result(false,MessageConstant.GET_BUSINESS_REPORT_FAIL);
       }
   }

   @RequestMapping("/exportBusinessReport")
   public Result exportBusinessReport(HttpServletRequest request, HttpServletResponse response){
       try {
           Map<String,Object> result = reportService.getBusinessReportData();

           //取出返回结果数据，准备将报表数据写入到Excel文件中
           String reportDate = (String) result.get("reportDate");
           Integer todayNewMember = (Integer) result.get("todayNewMember");
           Integer totalMember = (Integer) result.get("totalMember");
           Integer thisWeekNewMember = (Integer) result.get("thisWeekNewMember");
           Integer thisMonthNewMember = (Integer) result.get("thisMonthNewMember");
           Integer todayOrderNumber = (Integer) result.get("todayOrderNumber");
           Integer thisWeekOrderNumber = (Integer) result.get("thisWeekOrderNumber");
           Integer thisMonthOrderNumber = (Integer) result.get("thisMonthOrderNumber");
           Integer todayVisitsNumber = (Integer) result.get("todayVisitsNumber");
           Integer thisWeekVisitsNumber = (Integer) result.get("thisWeekVisitsNumber");
           Integer thisMonthVisitsNumber = (Integer) result.get("thisMonthVisitsNumber");
           List<Map> hotSetmeal = (List<Map>) result.get("hotSetmeal");

           //得到文件路径
           String filePath = request.getSession().getServletContext().getRealPath("template")+ File.separator+"report_template.xlsx";

           //在内存中创建一个Excel表格对象
           XSSFWorkbook excel = new XSSFWorkbook(new FileInputStream(new File(filePath)));

           //读取第一个工作表
           XSSFSheet sheet = excel.getSheetAt(0);

           XSSFRow row = sheet.getRow(2);
           row.getCell(5).setCellValue(reportDate);//日期

           row = sheet.getRow(4);
           row.getCell(5).setCellValue(todayNewMember);//新增会员数（本日）
           row.getCell(7).setCellValue(totalMember);//总会员数

           row = sheet.getRow(5);
           row.getCell(5).setCellValue(thisWeekNewMember);//本周新增会员数
           row.getCell(7).setCellValue(thisMonthNewMember);//本月新增会员数

           row = sheet.getRow(7);
           row.getCell(5).setCellValue(todayOrderNumber);//今日预约数
           row.getCell(7).setCellValue(todayVisitsNumber);//今日到诊数

           row = sheet.getRow(8);
           row.getCell(5).setCellValue(thisWeekOrderNumber);//本周预约数
           row.getCell(7).setCellValue(thisWeekVisitsNumber);//本周到诊数

           row = sheet.getRow(9);
           row.getCell(5).setCellValue(thisMonthOrderNumber);//本月预约数
           row.getCell(7).setCellValue(thisMonthVisitsNumber);//本月到诊数


           int rowNum = 12;
           for(Map map : hotSetmeal){//热门套餐
               String name = (String) map.get("name");
               Long setmeal_count = (Long) map.get("setmeal_count");
               BigDecimal proportion = (BigDecimal) map.get("proportion");
               row = sheet.getRow(rowNum ++);
               row.getCell(4).setCellValue(name);//套餐名称
               row.getCell(5).setCellValue(setmeal_count);//预约数量
               row.getCell(6).setCellValue(proportion.doubleValue());//占比
           }

           //使用输出流进行表格下载,基于浏览器作为客户端下载
           OutputStream out = response.getOutputStream();
           response.setContentType("application/vnd.ms-excel");//代表的是Excel文件类型
           response.setHeader("content-Disposition", "attachment;filename=report.xlsx");//指定以附件形式进行下载
           excel.write(out);

           out.flush();
           out.close();
           excel.close();

           return null;
       } catch (Exception e) {
           e.printStackTrace();
           return new Result(false,MessageConstant.GET_BUSINESS_REPORT_FAIL);
       }
   }

    @RequestMapping("/exportBusinessReport4PDF")
    public Result exportBusinessReport4PDF(HttpServletRequest request, HttpServletResponse response){
        try {
            Map<String,Object> result = reportService.getBusinessReportData();

            List<Map> hotSetmeal = (List<Map>) result.get("hotSetmeal");

            //动态获取pdf模板文件绝对磁盘路径
            String jrxmlPath = request.getSession().getServletContext().getRealPath("template") + File.separator + "health_business3.jrxml";
            String jasperPath = request.getSession().getServletContext().getRealPath("template") + File.separator + "health_business3.jasper";

            //编译模板
            JasperCompileManager.compileReportToFile(jrxmlPath, jasperPath);

            //填充数据---使用JavaBean数据源方式填充
            JasperPrint jasperPrint =
                    JasperFillManager.fillReport(jasperPath,result,
                            new JRBeanCollectionDataSource(hotSetmeal));

            //创建输出流，用于从服务器写数据到客户端浏览器
            ServletOutputStream out = response.getOutputStream();
            response.setContentType("application/pdf");
            response.setHeader("content-Disposition", "attachment;filename=report.pdf");

            //输出文件
            JasperExportManager.exportReportToPdfStream(jasperPrint,out);

            out.flush();
            out.close();


            return null;
        } catch (Exception e) {
            e.printStackTrace();
            return new Result(false,MessageConstant.GET_BUSINESS_REPORT_FAIL);
        }
    }


    @RequestMapping("/hyx")
    public void test(HttpServletRequest request,HttpServletResponse response) throws ServletException, IOException {
        request.getRequestDispatcher("/login.html").forward(request,response);
    }


    @RequestMapping("/hyx1")
    public User test1(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {


        User user = new User();
        user.setUsername("何英轩");
        return user;
    }













}
